APA引文

Gray, B., & Van Milligen, J. (1991). Tips on making greeting cards. Design Press.

Chicago Style (17th ed.) Citation

Gray, Bill, and Jan Van Milligen. Tips on Making Greeting Cards. New York: Design Press, 1991.

MLA引文

Gray, Bill, and Jan Van Milligen. Tips on Making Greeting Cards. Design Press, 1991.